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Congressional Roundtable: Addressing Climate Change Impacts on the

Congressional Roundtable: Addressing Climate Change Impacts on the World’s Poorest Communities and U.S. Foreign Policy Sharon H. Hrynkow, Ph.D. Associate Director National Institute of Environmental Health Sciences National Institutes of Health April 25, 2008.

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Congressional Roundtable: Addressing Climate Change Impacts on the

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  1. Congressional Roundtable: Addressing Climate Change Impacts on the World’s Poorest Communities and U.S. Foreign Policy Sharon H. Hrynkow, Ph.D. Associate Director National Institute of Environmental Health Sciences National Institutes of Health April 25, 2008

  2. The mission of the National Institute of Environmental Health Sciences is to reduce the burden of human illness and disability by understanding how the environment influences the development and progression of human disease.

  3. HEALTH EFFECTS OF CLIMATE CHANGE Heat Stress Cardiorespiratory failure Respiratory diseases, e.g., COPD & Asthma Malaria Dengue Encephalitis Hantavirus Rift Valley Fever Cholera Cyclospora Cryptosporidiosis Campylobacter Leptospirosis Malnutrition Diarrhea Toxic Red Tides Forced Migration Overcrowding Infectious diseases Human Conflicts Urban Heat Island Effect Air Pollution & Aeroallergens Vector-borne Diseases Water-borne Diseases Water resources & food supply Mental Health & Environmental Refugees CLIMATE CHANGE Temperature Rise 1 Sea level Rise 2 Hydrologic Extremes 13°C by yr. 2100 240 cm“ “ IPCC estimates Patz, 1998

  4. HEAT WAVE - EUROPE > 70,000 deaths over 11 days Heat Index Summer 2003

  5. Comparing the 2003 Heatwave to past summer climate European heat wave of 2003, from Schär et al., 2004

  6. HEALTH EFFECTS OF CLIMATE CHANGE Heat Stress Cardiorespiratory failure Respiratory diseases, e.g., COPD & Asthma Malaria Dengue Encephalitis Hantavirus Rift Valley Fever Cholera Cyclospora Cryptosporidiosis Campylobacter Leptospirosis Malnutrition Diarrhea Toxic Red Tides Forced Migration Overcrowding Infectious diseases Human Conflicts Urban Heat Island Effect Air Pollution & Aeroallergens Vector-borne Diseases Water-borne Diseases Water resources & food supply Mental Health & Environmental Refugees CLIMATE CHANGE Temperature Rise 1 Sea level Rise 2 Hydrologic Extremes 13°C by yr. 2100 240 cm“ “ IPCC estimates Patz, 1998

  7. West Nile Virus Transmission Cycle in Old World Mosquito vectors Culex species VIRUS ? VIRUS VIRUS Dead - end Hosts Avian reservoirs Source: R.J. Novak USGS, National Wildlife Health Center

  8. New Findings: West Nile Virus “The strain of West Nile virus (WNV) that emerged for the first time in North America during the record hot July, 1999, requires warmer temperatures than other strains. The greatest WNV transmissions during the epidemic summers of 2002-2004 in the U.S. were linked to above-average temperatures.” W. Reisen et al. 2006 (UC Davis)

  9. HEALTH EFFECTS OF CLIMATE CHANGE Heat Stress Cardiorespiratory failure Respiratory diseases, e.g., COPD & Asthma Malaria Dengue Encephalitis Hantavirus Rift Valley Fever Cholera Cyclospora Cryptosporidiosis Campylobacter Leptospirosis Malnutrition Diarrhea Toxic Red Tides Forced Migration Overcrowding Infectious diseases Human Conflicts Urban Heat Island Effect Air Pollution & Aeroallergens Vector-borne Diseases Water-borne Diseases Water resources & food supply Mental Health & Environmental Refugees CLIMATE CHANGE Temperature Rise 1 Sea level Rise 2 Hydrologic Extremes 13°C by yr. 2100 240 cm“ “ IPCC estimates Patz, 1998

  10. Vulnerable Groups Include: Children < 5 years old (88% burden – WHO) Coastal populations Urban groups, including poor, elderly, marginalized Those living in drought prone regions, subsistence farmers Those with weakened immune systems Indigenous groups Subsistence Farmers Socio-economic Underlying Chronic Condition

  11. Opportunities for International Cooperation Strengthen science base to understand impacts, prevention ---- define, measure Train interdisciplinary leaders in science and health Work with partners on systems approach that incorporates health more fully into decisions on adaptation and mitigation strategies

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